/*
* Copyright 2016-present Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package com.facebook.buck.cli;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
import com.facebook.buck.testutil.integration.ProjectWorkspace;
import com.facebook.buck.testutil.integration.TemporaryPaths;
import com.facebook.buck.testutil.integration.TestDataHelper;
import com.facebook.buck.util.HumanReadableException;
import java.io.IOException;
import java.nio.file.Files;
import org.hamcrest.Matchers;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
public class BuckQueryIntegrationTest {
@Rule public TemporaryPaths tmp = new TemporaryPaths();
private ProjectWorkspace workspace;
@Before
public void setUp() throws IOException {
workspace = TestDataHelper.createProjectWorkspaceForScenario(this, "query_command", tmp);
workspace.setUp();
// We can't have symlinks checked into the Buck repo, so we have to create the one we're using
// for the test below here.
workspace.move("symlinks/a/BUCK.disabled", "symlinks/a/BUCK");
Files.createSymbolicLink(
workspace.resolve("symlinks/a/inputs"),
workspace.getDestPath().getFileSystem().getPath("real_inputs"));
}
/**
* Tests for a bug where the combination of using instance equality for target nodes and using
* multiple separate calls into the parse, each which invalidate the cache nodes with inputs under
* symlinks, triggers a crash in `buck query` when it sees two instances of a node with the same
* build target.
*/
@Test
public void testRdepsWithSymlinks() throws IOException {
workspace.runBuckCommand("query", "rdeps(//symlinks/..., //symlinks/a:a)");
}
@Test
public void testDependencyCycles() throws IOException {
try {
workspace.runBuckCommand("query", "deps(//cycles:a)");
fail("Should have detected a cycle.");
} catch (HumanReadableException e) {
assertThat(
e.getHumanReadableErrorMessage(), Matchers.containsString("//cycles:a -> //cycles:a"));
}
try {
workspace.runBuckCommand("query", "deps(//cycles:b)");
fail("Should have detected a cycle.");
} catch (HumanReadableException e) {
assertThat(
e.getHumanReadableErrorMessage(), Matchers.containsString("//cycles:a -> //cycles:a"));
}
try {
workspace.runBuckCommand("query", "deps(//cycles:c)");
fail("Should have detected a cycle.");
} catch (HumanReadableException e) {
assertThat(
e.getHumanReadableErrorMessage(),
Matchers.containsString("//cycles:c -> //cycles:d -> //cycles:c"));
}
try {
workspace.runBuckCommand("query", "deps(//cycles:d)");
fail("Should have detected a cycle.");
} catch (HumanReadableException e) {
assertThat(
e.getHumanReadableErrorMessage(),
Matchers.containsString("//cycles:d -> //cycles:c -> //cycles:d"));
}
try {
workspace.runBuckCommand("query", "deps(//cycles:e)");
fail("Should have detected a cycle.");
} catch (HumanReadableException e) {
assertThat(
e.getHumanReadableErrorMessage(),
Matchers.containsString("//cycles:c -> //cycles:d -> //cycles:c"));
}
}
}